别指望在加拿大办美签了,人家网站上写的很清楚: 1 M1 p$ R$ t) M/ u5 Q
) o* i6 S3 w) K2 d! v, D http://www.consular.canada.usembassy.gov/usa_visa.asp 里的:) k3 I/ L* u5 E. B, O) A
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"Important Notice for Applicants with a Visitor's Permit to Canada # d& u; N) v4 O. P* W8 Z/ ] I% R1 d$ u |0 f3 t
With rare exceptions, visa applicants temporarily visiting Canada should apply at the U.S. Consular Section in their country of residence."